Color

#b9221d

#b9221d
hex#b9221d
rgbrgb(185, 34, 29)
hslhsl(2, 73%, 42%)
oklchoklch(0.509 0.187 28.2)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1155

Colors that go with #b9221d

Royal Blue, Steel Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1db4b9

#b91d66 · #b9701d

#1db922 · #221db9

Split-complementary

Open in tool →

#1db970 · #1d66b9

#66b91d · #1db4b9 · #701db9

Contrast

#b9221d as textRatioAAAA largeAAAFix
Aaon white
6.35:1passpassfail
  • AAA: use #ac201b as the text (7.06:1)
Aaon black
3.31:1failpassfail
  • AA: use #de312b as the text (4.58:1)
  • AAA: use #e8726d as the text (7.06:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b9221d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b9221d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b9221d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b9221d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9221d-c4a29c-62cb9c-2d261f-f1e9ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md